Luna::invoke_r

template <typename _Return, typename _Func, typename...>
_Return invoke_r(_Func &&f, _Args &&... args)

Invokes the specified callable object.

Parameters

• in f

  The callable object to invoke.

• in arg1

  The first argument passed to the callable object.

• in args

  The rest arguments passed to the callable object.

Return value

Returns the return value of the callable object, implicitly converted to _Return, if _Return is not void. None otherwise.